Pipe-mill.



J. J. CONNOR.

PIPE MlLl'...A PPLIQATION FILED 1150.20, 1910.

Patented Jan. 7, 1913.

'citizen 'Nef-aie Unite Youngstown' UNITED sTATEs PATENT oEEIcE.

.JOHN J.' coNNoE, or YoUNesTowN, oHIo,-'-A'sieNon To THE YoUNGsTowNSHEET AND TUBE COMPANY, .or YoUNGsTowN, omo, a CORPORATION Oromo.

PIPE-MILL.

Patented Jan. 7, 1913.

To azisaar aug-mm l Beitrknown thatI- :LJoHNJ-. CONNOR, a d Stat-es,residmg .at

andjSt'ate-o Ohio, have invented new and usefuli .Im rovementsin'LPipe-Mills, of whichfthe ollowing isa specification.

My invention relates to improvements in apparatus for drawing, sizing`and cooling butt-Weld pipes, and vits object is to arrange the drawing,sizing, and cooling devices vso as to dispense with considerable-labor,save valuable spacein crowded plants', `minimize liability-to accidentsand cheapen the cost of P1oduction.il'' I' l The :accompanying Adrawingshows diagrammatically a plan (partly in-section) of aVbatti-weldfl'iipe mill with -the elements' arranged according to'myinvention, it being "'showthe'idetails of the val'iouspartsunderstood-'.-that I have not undertakenbto ecause they zare allwell-known, but that I j have merely indicated conventionally thepresence of certa-in elements at certain places.

On-thefdrawing referred to, 1 designates the 'skelplhe' ,ing.Qpfu'rnace, inwhich the skelp'ilie 's l hefatdinthe usual manner.

3 .is a pivo dr -bench' arranged to osc-illate ontheg'ipivotAf-'so thatits front end may be placed'op'posite 'thezend'of any one of the severalskelp 2 inthe furnace 1 ina well known manner.'

A5 is'a` 'pair of tongs'or other pipe draw. ingl device adapted to beconnected to the mese or front end of the skelp and to the drwhan 6shown in dotted lines, whereby the Skelp may be drawn through 'thewelding die 7` Seated on the front end of the draw-bench 3.

8 designates the sizing rolls (only the top one being shown), which aresituated directly back of the draw-bench 3 and approximately in linetherewith so that, after the tongs have been disconnected from thedraw-chain 6, the latter wi-ll carrythe pipe with the tongs attachedrearwardly into t e pass of the sizing rolls 8. From the rolls 8 thepipe and tongs pass into the trough 9 at the rear of the said rolls andin line therewith.

The pipes pass automatically or by aid of an attendant from the troughupon the cooling rack of well-known construction. I

vin the county of 'Mahoning in mind that type of cooling rack which hasthe sprccketchains 10`running'thereon The d awing apr well-known apparais` ,A called hook-runner 'to connectthe tongs to While the-pipesarecoolf 14 5.0

l A4e' the old fhich employs boys@ '6.5

the chain by means -ofiiho'oksx,,which are rep*- moved by thehookErunnersfli-*fter the skelp has left the welding-'die drawingapparatus of a different;construction may be employed.

l Heretofore, the. ipe' with` the tongs attached has been, a ter thetongs havebeen disconnected from thel chain,l guided laterally from thedraw-bench onto a number of inclined skids, over which the pipes wereguided into a sizing-trough at the outer end of the skids. Before thepipe was put into the trough, an attendant, called the takeroff, who wasstationed between the bench and the trough and at the rear of the skidsremoved the tongs from the pipe.

After' the pipe had reached the sizing "i ,rolls being called vthecross-rolls. After the 'pipe emerged from the cross-rolls, it wastransferred to the cooling-rack.

'With m improved arrangement of apparat-us, dispense with the devicesrequired to guide the tongs and Econnected pipe to the taker-oit1 andthe skids; I disense with the taker-oit, the skids, the sizlng trough,attendants therefor, and the cross-rolls. .I save a large amount ofvaluable space which can he utilized for other purposes, and I save thewear whichthe pipe produces on the sizing trough and which thecross-rolls cause to the trough between the sizing' and cross-rolls.. Iarrange the -furnace, the draw-bench, the swing-rolls,

.shownfon the drawing as about to be drawn, will inake a small anglewith .thej'axes ofA the lsizingrolls 8. angle' is. so1 s"r-rjall that110 .to deliver Welded tubes to the sizing rolls itnliayibesaid.tltatwthefsi-zing rolls 8 are approximately ini line' with Lvthe.drawjbench Heretofo'eit has been considered necessary exactly at rightangles to their axes. For qlreasogn-1 hasbeen regarded as necessary totransfer the pipe from the swinging draw,-

bench to the sizing trough which was' ar-A ranged exactly atja rightangle `to the axes ofith' siz'i'ii'grlls. yBy' arranging the sizingrolls 'dirctly'at the rear'o the draw-bench, the lre'd hotwietal' is'ezposed for a niuch shorter perioclto the oxidizing action of the thesizing rolls. dispense with th'e'seiyices-of .allI attendants, exceptthe. `We'zldes; the 'hook-runners, tongs-carrier y and th'e'cooii'ng"rack attendants.

What iiiy improvement saves in appa'- z ranf'afattendnts, and 'spaceiiiay vbe seen by reference yto, fSiinpso-ns Patend:9` No.. L Lj'iillsAWhich-shows a-mo'viablel'drawfbench, sl' 'd a sizingl rougir, 'sizingro1ls, and eros coo'iingin'cl beiiigtinitted. q.:

iff"laiIii'-, O

In.' apipe in'ilh the cbinbinxftion Witlia Welding die ofsifzing rolls,and an int-eiiiie! di'ite draugfbenchlhaying a draw-chain thereon,`i'neaiisicfoi detachably connecting the pipeand the drai'i'chain;whereby the said draw-chain may act as a conveyer of the Welded pipe tothe sizing rolls attertlie tube Ccpieswof thslpatent-maybe obtained forimam 2. In a pipe-niilL-a s /kelp-heat-ingfiirnacef sizing rolls; and adraw-bench arranged pivoted at theend nearest the sizing rolls, thepivotal point of the draw-bench being ksubstantially in the verticalvplane .includ.

ing the axis Vof the pass ,of the sizing ro1ls.

lengthwise between the furnace and the siz ingrolls, .provided with adraw-chainyand 1 3. n a pipe-mill, the oombinationfof 'a skelp-heatingfurnace,'of sizing rolls5; and a draw-bench arrangedlengthwisefb'et-Ween theh furnace and the Sizing rollsaidliavf ing adraw-chainhaving'travel toy'v'ard'and. substantially in line with thesizin'g`rolls,

n-eiding'tongs adapted to engage the'slielp'5.

and means for detacliably connecting fthe tongs and the draw-chainwhereby the draw# i chain may act as a conveyer of the Welded pipe andthe attached tongs. toward the 'sizrolls after the said ltongs and thedrawcliain have been disconnected.

In a pipe-mill, a skelp-heating-furnace, n sizing rolls, and adraw-bench' arianged lengthwise between the furnace andthe siz-f ingrolls, provided With a draw-chain and A A ,I pivoted at the end farthestfrom thefur: 36 tags beinglsc'd in place oihtoiigs'aiid' the nace,`which draw-chain is,4 When-the difaw-A bench is in its central position,substantially in the vertical plane including thea-itis of F. yTILLIAMS.

ive cents each, by addressing the Commissioner of Patents, Washington,D. C.

Ohio, 4this 15th

